Across
- 1. meteor bigger than 10 meters
- 4. small rock in our Solar System
- 7. study
- 8. damage
- 10. long, thin line of different color
Down
- 2. persons who conduct scientific research
- 3. go from one place to another
- 5. the outside part or layer of the earth
- 6. streak of light
- 9. parts of meteor that are very small